Weather Alert in Michigan
Severe Thunderstorm Warning issued July 15 at 9:29PM CDT until July 15 at 10:30PM CDT by NWS Marquette MI
AREAS AFFECTED: Iron, MI
DESCRIPTION: SVRMQT The National Weather Service in Marquette has issued a * Severe Thunderstorm Warning for... Iron County in south central Upper Michigan... * Until 1030 PM CDT. * At 928 PM CDT, severe thunderstorms were located along a line extending from 7 miles southwest of Kenton to near Phelps, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Iron River, Crystal Falls, Stambaugh, Amasa, U.S. 141 between Covington and Amasa, Caspian, Gaastra, Alpha, Way Dam, Stager, Hagerman Lake, and Golden Lake.
INSTRUCTION: Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Persons in campgrounds should seek sturdy shelter until these storms pass.
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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